Nickel 625 vs. Titanium 6-6-2
Nickel 625 belongs to the nickel alloys classification, while titanium 6-6-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is nickel 625 and the bottom bar is titanium 6-6-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 33 to 34 | |
| 6.7 to 9.0 |
| Fatigue Strength, MPa | 240 to 320 | |
| 590 to 670 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 79 | |
| 44 |
| Shear Strength, MPa | 530 to 600 | |
| 670 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 910 | |
| 1140 to 1370 |
| Tensile Strength: Yield (Proof), MPa | 320 to 450 | |
| 1040 to 1230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 310 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1610 |
| Melting Onset (Solidus), °C | 1290 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 540 |
| Thermal Conductivity, W/m-K | 11 | |
| 5.5 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 1.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 2.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 40 |
| Density, g/cm3 | 8.6 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 29 |
| Embodied Energy, MJ/kg | 190 | |
| 470 |
| Embodied Water, L/kg | 290 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 250 | |
| 89 to 99 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 34 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 66 to 79 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 2.1 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 75 to 90 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.4 | |
| 5.0 to 6.0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.050 |
| Chromium (Cr), % | 20 to 23 | |
| 0 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 5.0 | |
| 0.35 to 1.0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 5.0 to 6.0 |
| Nickel (Ni), % | 58 to 68.9 | |
| 0 |
| Niobium (Nb), % | 3.2 to 4.2 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 to 0.4 | |
| 82.8 to 87.8 |
| Residuals, % | 0 | |
| 0 to 0.4 |